Patents by Inventor William J. Stech

William J. Stech has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4842905
    Abstract: A tessellated papermakers fabric and elements for making the fabric are disclosed. The elements are formed so as to have male or projection members which interlock with female or recess members. In alternative embodiments, interlocking elements which further utilize pintles for reinforcement of the connection are disclosed. The elements may be molded, extruded, dye stamped or laminated. The desired permeability is provided by forming apertures in the elements and can provide for air and moisture permeability characteristics which vary throughout the fabric. In addition, tessellated fabrics according to the instant invention may be subsequently processed to produce surface or embossing characteristics.
    Type: Grant
    Filed: February 3, 1988
    Date of Patent: June 27, 1989
    Assignee: Asten Group, Inc.
    Inventor: William J. Stech